Apps Like Ruler® for iPhone and iPad
Measure with ruler, tape, and camera
Measure objects with a camera ruler mode that uses your phone's camera for distance calculations. Switch between inches and centimeters. Adjust measurements with precision sliders. Access a classic ruler and tape measure for manual measurements.
Ruler® screenshots
Ranked alternatives
Showing 761–780 of 1,000 ranked alternatives.






Engineering Converter
Brook Wallace
Convert units for temperature, length, mass,
Convert units for temperature, length, mass, mole, area, volume, time, velocity, acceleration, density, molar density, molar volume, force, pressure, energy, power, mass flow, mole flow, volume flow, heat capacity, molar heat capacity, latent heat,

AirSize
孝龙 刘
Visualize dimensions with precise shapes
ProDimensions allows users to view precise dimensions of shapes on screen with preset options for paper, photos, and objects. It also enables AR mode to place virtual 2D/3D rectangles in real environments for spatial visualization.

Weight Chart Free
Piet Jonas
Monitor weight and body measurements over time.
The app tracks weight and waist circumference. It calculates the waist to height ratio, which is a measure of cardiovascular disease risk.




Measury: Converter & Scanner
Nicklas Eriksson
Capture and convert measurements with your camera
Convert measurements between grams, kilograms, ounces, pounds, cups, deciliters, and milliliters by photographing ingredient lists. Scan and convert measurements automatically. View converted ingredients and export results.





Sound Meter: db Level Measure
Kevin Ghori
Levels instantly
Levels with a real-time decibel meter. Record audio samples and view readings. Set custom thresholds and receive notifications when limits are exceeded. Export data as files and share measurements directly.
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